2012011120221 has 16 divisors (see below), whose sum is σ = 2689238982528. Its totient is φ = 1338062443200.

The previous prime is 2012011120181. The next prime is 2012011120271. The reversal of 2012011120221 is 1220211102102.

It is not a de Polignac number, because 2012011120221 - 2⁶ = 2012011120157 is a prime.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 2012011120221.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2012011120271) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 21686151 + ... + 21778731.

It is an arithmetic number, because the mean of its divisors is an integer number (168077436408).

Almost surely, 2^{2012011120221} is an apocalyptic number.

It is an amenable number.

2012011120221 is a deficient number, since it is larger than the sum of its proper divisors (677227862307).

2012011120221 is a wasteful number, since it uses less digits than its factorization.

2012011120221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 110212.

The product of its (nonzero) digits is 32, while the sum is 15.

Adding to 2012011120221 its reverse (1220211102102), we get a palindrome (3232222222323).

The spelling of 2012011120221 in words is "two trillion, twelve billion, eleven million, one hundred twenty thousand, two hundred twenty-one".